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Datasheet generated 2026-10-07
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Schneider Electric Miniature circuit-breaker, ACTI9 NG125N, 2P, 40 A, C curve, 25 kA (IEC 60947-2) 18626

Schneider Electric · Electrical Components · Miniature Circuit Breakers · France · se.com
Part Number
18626  ·  HS 8536.20
Schneider Electric Miniature circuit-breaker, ACTI9 NG125N, 2P, 40 A, C curve, 25 kA (IEC 60947-2) 18626

Schneider Electric 18626 NG125N/C 40-2 Modular power switch

Technical Specifications

Manufacturer part number (MPN)18626
EAN / GTIN3303430186267
Sales unitpcs
Package quantity6 pcs
RangeActi9
Product nameActi9 NG125
Product or component typeMiniature circuit-breaker
Device short nameNG125N
Device applicationDistribution
Poles description2P
Number of protected poles2
[In] rated current40 A at 40 °C
Network typeDC; AC
Trip unit technologyThermal-magnetic
Curve codeC
Breaking capacity10 kA Icu at 500 V AC 50/60 Hz conforming to EN/IEC 60947-2; 20 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2; 25 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2; 50 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2; 20 kA Icu at <= 250 V DC conforming to EN/IEC 60947-2
Utilisation categoryCategory A conforming to IEC 60947-2
Suitability for isolationYes conforming to IEC 60947-2
StandardsEN/IEC 60947-2
Network frequency50/60 Hz
[Ue] rated operational voltage380...415 V AC 50/60 Hz; 500 V AC 50/60 Hz; 220...240 V AC 50/60 Hz; 440 V AC 50/60 Hz; <= 250 V DC
Magnetic tripping limit8 x In
[Ics] rated service breaking capacity37.5 kA 75 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz; 18.75 kA 75 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz; 15 kA 75 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz; 7.5 kA 75 % conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz; 25 kA 100 % conforming to EN/IEC 60947-2 - 250 V DC
[Ui] rated insulation voltage690 V AC 50/60 Hz conforming to EN/IEC 60947-2
[Uimp] rated impulse withstand voltage8 kV conforming to EN/IEC 60947-2
Contact position indicatorYes
Control typeManual tripping test; Toggle
Local signallingTrip indicator; ON/OFF indication
mounting modeClip-on
Mounting positionVertical
Mounting support35 mm symmetrical DIN rail
Comb busbar and distribution block compatibilityYES
9 mm pitches6
Height103 mm
Depth81 mm
Width54 mm
Product weight0.48 kg
Mechanical durability20000 cycles
Electrical durability10000 cycles
Provision for padlockingPadlockable
Locking options descriptionIntegrated padlocking
Connections - terminalsTunnel type terminals1.5…50 mm² rigid; Tunnel type terminals1…35 mm² flexible
Wire stripping length20 mm
Tightening torque3.5 N.m
Earth-leakage protectionSeparate block
IP degree of protectionIP20 conforming to IEC 60529
IK degree of protectionIK05 conforming to EN/IEC 62262
Pollution degree3 conforming to IEC 60947-2
Overvoltage categoryIV
Tropicalisation2 conforming to IEC 60068-1
Relative humidity95 % at 55 °C
Ambient air temperature for operation-30…70 °C
Ambient air temperature for storage-40…70 °C
Unit Type of Package 1PCE
Number of Units in Package 11
Package 1 Height5.8 cm
Package 1 Width8.1 cm
Package 1 Length11.1 cm
Package 1 Weight480 g
Unit Type of Package 2BB1
Number of Units in Package 26
Package 2 Height9.1 cm
Package 2 Width11.6 cm
Package 2 Length36 cm
Package 2 Weight2.985 kg
Unit Type of Package 3S03
Number of Units in Package 336
Package 3 Height30 cm
Package 3 Width30 cm
Package 3 Length40 cm
Package 3 Weight18.223 kg
Country of originFR
Warranty (in months)18
Power loss3.8 W
Built-in depth47 mm
Release characteristicC
Number of poles (total)2
Rated current40 A
Rated voltage400 V
Rated insulation voltage Ui690 V
Rated impulse withstand voltage Uimp8 kV
Frequency50–60 Hz
Concurrently switching neutral conductorYes
Additional equipment possibleYes
Width in number of modular spacings3
Degree of protection (IP)IP20
Ambient temperature during operating-30–70 °C
Connectable conductor cross section multi-wired1–35 mm²
Connectable conductor cross section solid-core1.5–50 mm²
Explosion-proofNo
Flush-mounted installationNo

Properties

MOQ1

Cross-References

Attached Documents